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  1. Task YARN-7343
    Add a junit test for ContainerScheduler recovery
  2. Bug YARN-7285
    ContainerExecutor always launches with priorities due to yarn-default property
  3. Improvement YARN-7358
    TestZKConfigurationStore and TestLeveldbConfigurationStore should explicitly set capacity scheduler
  4. Improvement YARN-7362
    Set assumption of capacity scheduler for TestClientRMService.testUpdateApplicationPriorityRequest() and testUpdatePriorityAndKillAppWithZeroClusterResource()
  5. Bug YARN-7588
    Remove 'yarn historyserver' from bin/yarn
  6. Bug YARN-7226
    Whitelisted variables do not support delayed variable expansion
  7. Improvement YARN-7262
    Add a hierarchy into the ZKRMStateStore for delegation token znodes to prevent jute buffer overflow
  8. Improvement YARN-7389
    Make TestResourceManager Scheduler agnostic
  9. Bug YARN-7388
    TestAMRestart should be scheduler agnostic
  10. Bug YARN-7385
    TestFairScheduler#testUpdateDemand and TestFSLeafQueue#testUpdateDemand are failing with NPE
  11. Bug YARN-7360
    TestRM.testNMTokenSentForNormalContainer() should be scheduler agnostic
  12. Bug YARN-7355
    TestDistributedShell should be scheduler agnostic
  13. Bug YARN-7299
    Fix TestDistributedScheduler
  14. Bug YARN-7310
    TestAMRMProxy#testAMRMProxyE2E fails with FairScheduler
  15. Bug YARN-7309
    TestClientRMService#testUpdateApplicationPriorityRequest and TestClientRMService#testUpdatePriorityAndKillAppWithZeroClusterResource test functionality not supported by FairScheduler
  16. Bug YARN-7308
    TestApplicationACLs fails with FairScheduler
  17. Bug YARN-7372
    TestContainerSchedulerQueuing.testContainerUpdateExecTypeGuaranteedToOpportunistic is flaky
  18. Bug YARN-7602
    NM should reference the singleton JvmMetrics instance
  19. Bug YARN-7458
    TestContainerManagerSecurity is still flakey
  20. Improvement YARN-7625
    Expose NM node/containers resource utilization in JVM metrics
  21. Sub-task YARN-6550
    Capture launch_container.sh logs to a separate log file
  22. Sub-task YARN-6907
    Node information page in the old web UI should report resource types
  23. Sub-task YARN-6916
    Moving logging APIs over to slf4j in hadoop-yarn-server-common
  24. Sub-task YARN-7587
    Skip dispatching opportunistic containers to nodes whose queue is already full
  25. Bug YARN-7589
    TestPBImplRecords fails with NullPointerException
  26. Bug YARN-9101
    Recovery Container exitCode Not Right
  27. Bug YARN-8661
    org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.reflect.InvocationTargetException
  28. Bug YARN-7122
    TestReservationSystemInvariants and TestSLSRunner fail
  29. New Feature YARN-7859
    New feature: add queue scheduling deadLine in fairScheduler.
  30. Bug YARN-7044
    TestContainerAllocation#testAMContainerAllocationWhenDNSUnavailable fails
  31. Bug YARN-7084
    TestSchedulingMonitor#testRMStarts fails sporadically
  32. Bug YARN-7082
    TestContainerManagerSecurity failing in trunk
  33. Bug YARN-10046
    RM failed to transition to Active because of App recovery throwing java.lang.NullPointerException
  34. Bug YARN-7412
    test_docker_util.test_check_mount_permitted() is failing
  35. Bug YARN-7365
    ResourceLocalization cache cleanup thread stuck
  36. Bug YARN-7364
    Queue dash board in new YARN UI has incorrect values
  37. Bug YARN-7336
    Unsafe cast from long to int Resource.hashCode() method
  38. Bug YARN-7381
    Enable the configuration: yarn.nodemanager.log-container-debug-info.enabled by default in yarn-default.xml
  39. Bug YARN-7333
    container-executor fails to remove entries from a directory that is not writable or executable
  40. Bug YARN-6647
    RM can crash during transitionToStandby due to InterruptedException
  41. Bug YARN-7509
    AsyncScheduleThread and ResourceCommitterService are still running after RM is transitioned to standby
  42. Sub-task YARN-7541
    Node updates don't update the maximum cluster capability for resources other than CPU and memory
  43. Sub-task YARN-7219
    Make AllocateRequestProto compatible with branch-2/branch-2.8
  44. Bug YARN-7138
    Fix incompatible API change for YarnScheduler involved by YARN-5221
  45. Bug YARN-7124
    LogAggregationTFileController deletes/renames while file is open
  46. Sub-task YARN-7158
    Address performance issue when 3+ resource types configured in the system
  47. Sub-task YARN-7275
    NM Statestore cleanup for Container updates
  48. Bug YARN-7382
    NoSuchElementException in FairScheduler after failover causes RM crash
  49. Sub-task YARN-6623
    Add support to turn off launching privileged containers in the container-executor
  50. Bug YARN-7465
    start-yarn.sh fails to start ResourceManager unless running as root
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